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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Tests for changing the type of a preference (bug 985998) */
const PREF_INVALID = 0;
const PREF_BOOL = 128;
const PREF_INT = 64;
const PREF_STRING = 32;
function run_test() {
var ps = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService);
let defaultBranch = ps.getDefaultBranch("");
let userBranch = ps.getBranch("");
//**************************************************************************//
// Can't change the type of prefs that have default values
defaultBranch.setBoolPref("TypeTest.existing.bool", true);
defaultBranch.setIntPref("TypeTest.existing.int", 23);
defaultBranch.setCharPref("TypeTest.existing.char", "hey");
// The user branch reads back the expected default
do_check_eq(userBranch.getBoolPref("TypeTest.existing.bool"), true);
do_check_eq(userBranch.getIntPref("TypeTest.existing.int"), 23);
do_check_eq(userBranch.getCharPref("TypeTest.existing.char"), "hey");
// All the combinations of attempted type changes
do_check_throws(function() {
userBranch.setCharPref("TypeTest.existing.bool", "boo"); }, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function() {
userBranch.setIntPref("TypeTest.existing.bool", 5); }, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function() {
userBranch.setCharPref("TypeTest.existing.int", "boo"); }, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function() {
userBranch.setBoolPref("TypeTest.existing.int", true); }, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function() {
userBranch.setBoolPref("TypeTest.existing.char", true); }, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function() {
userBranch.setIntPref("TypeTest.existing.char", 6); }, Cr.NS_ERROR_UNEXPECTED);
//**************************************************************************//
// Prefs that don't have default values can mutate
let pref = "TypeTest.user";
userBranch.setBoolPref(pref, true);
userBranch.setCharPref(pref, "yay");
do_check_eq(userBranch.getCharPref(pref), "yay");
userBranch.setIntPref(pref, 7);
do_check_eq(userBranch.getIntPref(pref), 7);
userBranch.setBoolPref(pref, false);
do_check_eq(userBranch.getBoolPref(pref), false);
userBranch.setIntPref(pref, 8);
do_check_eq(userBranch.getIntPref(pref), 8);
userBranch.setCharPref(pref, "whee");
do_check_eq(userBranch.getCharPref(pref), "whee");
userBranch.setBoolPref(pref, true);
do_check_eq(userBranch.getBoolPref(pref), true);
}
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